90318743 has 8 divisors (see below), whose sum is σ = 91693056. Its totient is φ = 88954200.

The previous prime is 90318733. The next prime is 90318751. The reversal of 90318743 is 34781309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90318743 - 2⁴ = 90318727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90318703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17378 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (11461632).

Almost surely, 2^90318743 is an apocalyptic number.

90318743 is a deficient number, since it is larger than the sum of its proper divisors (1374313).

90318743 is a wasteful number, since it uses less digits than its factorization.

90318743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90318743 is about 9503.6173639304. The cubic root of 90318743 is about 448.6688944392.

The spelling of 90318743 in words is "ninety million, three hundred eighteen thousand, seven hundred forty-three".